CentOS 7.3最小系统安装KVM

安装wget和vim

yum install -y wget vim

修改yum源为阿里源

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

sed -i  ‘s/$releasever/7/g‘ /etc/yum.repos.d/CentOS-Base.repo

安装基本包

yum install epel-release net-tools vim unzip zip wget ftp -y

安装开发环境

yum  groupinstall "DevelopmentTools"

安装虚拟环境包

yum  groupinstall "Virtualization" "Virtualization Client""Virtualization Platform"

安装桌面（可选）

yum -y groupinstall Desktop

yum -y groupinstall "X Window System"

安装GNOME桌面环境

yum install gnome-classic-session gnome-terminal nautilus-open-terminal control-center liberation-mono-fonts

创建硬盘

[[email protected] images]#  qemu-img create -f qcow2 /var/lib/libvirt/images/kvm01.img 20G

安装kvm

[[email protected] images]# virt-install --name=kvm01 --ram 6144 --vcpus=2 --disk path=/var/lib/libvirt/images/kvm01.img,format=qcow2,size=20 --network bridge=br0  --os-type=linux --cdrom /var/lib/libvirt/images/CentOS-7-x86_64-Minimal-1611.iso --vnc --vnclisten=0.0.0.0 --vncport=5910

修改kvm.xml

<graphics type=‘vnc‘ port=‘5900‘ autoport=‘no‘ listen=‘0.0.0.0‘>

<listen type=‘address‘ address=‘0.0.0.0‘/>

</graphics>

创建快照

[[email protected] images]# virsh snapshot-create kvm01

查看快照

[[email protected] images]# virsh snapshot-list kvm01

Name                 Creation Time             State

------------------------------------------------------------

1502871731           2017-08-16 16:22:11 +0800 shutoff

恢复快照

[[email protected] images]# virsh domstate kvm01